Releasable base with four ferrules for crutch

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Description

FIG. 1 is a perspective view of a releasable base with four ferrules for crutch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a side view for showing the releasable base mounted on the bottom of a crutch.

The broken line portions in FIGS. 7-8 are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a releasable base with four ferrules for crutch, as shown and described.

Referenced Cited
U.S. Patent Documents
D324946 March 31, 1992 Karten
6131593 October 17, 2000 Greene et al.
6305659 October 23, 2001 Metelski
6557188 May 6, 2003 Peterson
D618453 June 29, 2010 Jiang
D627150 November 16, 2010 Chao
D632476 February 15, 2011 Owens et al.
D635351 April 5, 2011 White
20100313925 December 16, 2010 Jiang
20110220161 September 15, 2011 Jordan et al.
20110240077 October 6, 2011 Doherty et al.
Patent History
Patent number: D668447
Type: Grant
Filed: Oct 17, 2011
Date of Patent: Oct 9, 2012
Inventor: Hsin-Chou Lai (Taichung)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/404,116
Classifications
Current U.S. Class: D3/17